package com.lyh.filter;

import com.lyh.controller.UserController;
import com.lyh.pojo.User;
import com.lyh.utils.Constants;

import javax.servlet.*;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

public class loginFilter implements Filter {
    @Override
    public void init(FilterConfig filterConfig) throws ServletException {

    }

    @Override
    public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse, FilterChain filterChain) throws IOException, ServletException {
        HttpServletRequest request = (HttpServletRequest) servletRequest;
        HttpServletResponse response = (HttpServletResponse) servletResponse;
        User user = (User) request.getSession().getAttribute(Constants.USER_SESSION);
        String uri = request.getRequestURI();
        String url = request.getRequestURL().toString();
        if (user == null) {

            response.sendRedirect("/login.jsp");
        } else {

            filterChain.doFilter(request, response);
        }

    }

    @Override
    public void destroy() {

    }
}
